Popsu-coloque/web/core/tests/Drupal/FunctionalJavascriptTests/LegacyJavascriptTestBase.php

<?php

namespace Drupal\FunctionalJavascriptTests;

/**
 * Runs a browser test using PhantomJS.
 *
 * @deprecated in drupal:8.6.0 and is removed from drupal:9.0.0.
 * Use \Drupal\FunctionalJavascriptTests\WebDriverTestBase instead
 *
 * BC layer for testing browser interaction implemented in JavaScript.
 */
abstract class LegacyJavascriptTestBase extends JavascriptTestBase {

}